Canalys reports. It seems that Android has overtaken iOS in the US, having 34 percent of the market share. Android is followed by RIM, with 32% of market share, and, on the third position, by Apple, with only 21,7% of market share.
However, reporting to the worldwide market share, Nokia is the leader, with about 38% of the market. And this comes mostly because of the second largest smartphone market, China, where Nokia has an astonishing percent of 77%.
You can find more details on SlashGear.